How are the fifferents sizes of commodes designated? ie; 12 ", ect? My friend is buying a new commode and doesn't know what the...

My friend is buying a new commode and doesn't know what the 12" resources or 16"
Will gloom purple, brown, or cobalt blue walls...
Answers:    I think the 12" mechanism the floor flange is centered 12" from the back wall. That is a standard toilet
P.S. third answer sounds similar to what they mean
What nature of sheets are better for your...
I am pretty sure Ben is correct, but if you are not sure merely ask the folks at your local home improvement store.